4) If u = x2 + y², where x = e' cost and y = e' sint then find du and 7 verify the result by direct substituti

Question

4) If u = x2 + y², where x = e' cost and y = e' sint then find du and 7 verify the result by direct substitution.​

Aaliyah · Answer

Answer:   Please Elborate on the question.    Step-by-step explanation:

4) If u = x2 + y², where x = e’ cost and y = e’ sint then findduand7verify the result by direct substituti